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Expired Canadian patentCanada

Method and apparatus for stripping cathodes

CA 1214432 A · Owner: Baggio, Edward G. · Inventors: Manwell, Robert E.; Baggio, Edward G.; Harper, Harold K.

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Abstract From the Canadian patent

A method and apparatus for conveying and stripping electro-deposited metal sheets from cathode plates. A plurality of stations including a feed station initial, horizontal parting station, main vertical stripping station replacement station, and discharge station are sequentially arranged within the stripping apparatus and cathode plates having metal sheet deposits thereon are conveyed through the apparatus by means of a reciprocating transfer carriage in combination with supporting slide bars and indexing means. Metal sheet deposits are stripped in a fast simple, and efficient manner by using closed entry horizontal knives to effect initial parting of each deposit and vertical stripping …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted November 25, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 25, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 14, 1983
GrantedNovember 25, 1986
Term endedNovember 25, 2003
Patent numberCA 1214432 A
Classification (IPC)C25C7/08

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedFeb 14, 1983Patent grantedNov 25, 1986Term endedNov 25, 2003

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.